Change regexp to grep regexp

Author: Vladislav Kalugin

.github/workflows/publish-utbot.yml

@@ -48,7 +48,7 @@ jobs:
         run: |
           echo $GITHUB_REF_NAME
           re="^[1-9][0-9]{3}\.[1]?[0-9]\.(0|[1-9][0-9]*)$"
-          if [[ $GITHUB_REF_NAME =~ $re ]]; then 
+          if echo $GITHUB_REF_NAME | grep -Eq $re; then 
             export VERSION=$GITHUB_REF_NAME
             echo "ARTIFACT_NAME=release-$VERSION" >> $GITHUB_ENV
           else